Question

0.85
$0.85 \times 0.85 \times 0.85 + 0.15 \times 0.15 \times 0.15 \div 0.85 \times 0.85 - 0.85 \times 0.15 + 0.15 \times 0.15 = 1$

Answer 1

There is your answer

Answer 2

Answer:

Explanation:

a=0.85

b=0.15

a³+b³/a²-ab+b²

(a+b)(a²-ab+b²)/(a²-ab+b²)

substitute

(a+b)=(0.85+0.15)=1